.tablaMain { border: solid 4px #fff }
#deteccion  { background-color: #fff; position: absolute; top: 0; left: 0; right: 0; visibility: hidden; margin: 0 auto; width: 600px; border: solid 2px #f00     }
#deteccion table td { color: #666; font-size: 10px; font-family: Verdana, Arial, Helvetica, sans-serif; text-align: left; vertical-align: middle }